ACCESSION: MSBNK-Eawag-EA019703
RECORD_TITLE: Metronidazole; LC-ESI-ITFT; MS2; CE: 30%; R=7500; [M+H]+
DATE: 2014.01.14
AUTHORS: Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2012 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 197

CH$NAME: Metronidazole
CH$NAME: 2-Methyl-5-nitroimidazole-1-ethanol
CH$NAME: 2-(2-methyl-5-nitro-1-imidazolyl)ethanol
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₆H₉N₃O₃
CH$EXACT_MASS: 171.0644
CH$SMILES: CC1=NC=C(N1CCO)[N+]([O-])=O
CH$IUPAC: InChI=1S/C6H9N3O3/c1-5-7-4-6(9(11)12)8(5)2-3-10/h4,10H,2-3H2,1H3
CH$LINK: CAS 443-48-1
CH$LINK: CHEBI 6909
CH$LINK: KEGG D00409
CH$LINK: PUBCHEM CID:4173
CH$LINK: INCHIKEY VAOCPAMSLUNLGC-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 4029
CH$LINK: COMPTOX DTXSID2020892

AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 30 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 7500
AC$CHROMATOGRAPHY: COLUMN_NAME XBridge C18 3.5um, 2.1x50mm, Waters
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 50/50 at 4 min, 5/95 at 17 min, 5/95 at 25 min, 90/10 at 25.1 min, 90/10 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 ul/min
AC$CHROMATOGRAPHY: RETENTION_TIME 2.1 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 172.072
MS$FOCUSED_ION: PRECURSOR_M/Z 172.0717
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: DEPROFILE Spline
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 1.3.1

PK$SPLASH: splash10-00fr-0900000000-e9c07cc448b8fb519022
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  82.0523 C4H6N2+ 1 82.0525 -3.41
  128.0455 C4H6N3O2+ 1 128.0455 0.45
  172.0718 C6H10N3O3+ 1 172.0717 0.71
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  82.0523 32897.5 6
  128.0455 2988146.1 550
  172.0718 5423288.2 999
//